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17 November, 04:49

15) Which of the these is a balanced chemical equation?

A) CO (g) + O2 (g) → CO2 (g)

B) CO (g) + 2O2 (g) → 2CO2 (g)

C) 2CO (g) + O2 (g) → 2CO2 (g)

D) 2CO (g) + 2O2 (g) → 2CO2 (g)

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  1. 17 November, 08:20
    0
    The correct answer is C.

    On the left:

    2 carbon + 2 oxygen + 2 oxygen

    On the right:

    2 carbon + 4 oxygen (remember to multiply the coefficient and subscript)
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